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#
# This file is part of pyasn1-modules software.
#
# Created by Russ Housley
# Copyright (c) 2019, Vigil Security, LLC
# License: http://snmplabs.com/pyasn1/license.html
#
import sys
from pyasn1.codec.der.decoder import decode as der_decode
from pyasn1.codec.der.encoder import encode as der_encode
from pyasn1_modules import pem
from pyasn1_modules import rfc5280
from pyasn1_modules import rfc5958
from pyasn1_modules import rfc7914
from pyasn1_modules import rfc8018
try:
import unittest2 as unittest
except ImportError:
import unittest
# From RFC 7914, Section 13
class MultiprimeRSAPrivateKeyTestCase(unittest.TestCase):
pem_text = """\
MIHiME0GCSqGSIb3DQEFDTBAMB8GCSsGAQQB2kcECzASBAVNb3VzZQIDEAAAAgEI
AgEBMB0GCWCGSAFlAwQBKgQQyYmguHMsOwzGMPoyObk/JgSBkJb47EWd5iAqJlyy
+ni5ftd6gZgOPaLQClL7mEZc2KQay0VhjZm/7MbBUNbqOAXNM6OGebXxVp6sHUAL
iBGY/Dls7B1TsWeGObE0sS1MXEpuREuloZjcsNVcNXWPlLdZtkSH6uwWzR0PyG/Z
+ZXfNodZtd/voKlvLOw5B3opGIFaLkbtLZQwMiGtl42AS89lZg==
"""
def setUp(self):
self.asn1Spec = rfc5958.EncryptedPrivateKeyInfo()
def testDerCodec(self):
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decode(substrate, asn1Spec=self.asn1Spec)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
ea = asn1Object['encryptionAlgorithm']
assert ea['algorithm'] == rfc8018.id_PBES2
assert ea['algorithm'] in rfc5280.algorithmIdentifierMap.keys()
params, rest = der_decode(ea['parameters'],
asn1Spec=rfc5280.algorithmIdentifierMap[ea['algorithm']])
assert not rest
assert params.prettyPrint()
assert der_encode(params) == ea['parameters']
kdf = params['keyDerivationFunc']
assert kdf['algorithm'] == rfc7914.id_scrypt
assert kdf['algorithm'] in rfc5280.algorithmIdentifierMap.keys()
kdfp, rest = der_decode(kdf['parameters'],
asn1Spec=rfc5280.algorithmIdentifierMap[kdf['algorithm']])
assert not rest
assert kdfp.prettyPrint()
assert der_encode(kdfp) == kdf['parameters']
assert kdfp['costParameter'] == 1048576
def testOpenTypes(self):
substrate = pem.readBase64fromText(self.pem_text)
asn1Object, rest = der_decode(substrate,
asn1Spec=self.asn1Spec,
decodeOpenTypes=True)
assert not rest
assert asn1Object.prettyPrint()
assert der_encode(asn1Object) == substrate
ea = asn1Object['encryptionAlgorithm']
assert ea['algorithm'] == rfc8018.id_PBES2
params = asn1Object['encryptionAlgorithm']['parameters']
assert params['keyDerivationFunc']['algorithm'] == rfc7914.id_scrypt
kdfp = params['keyDerivationFunc']['parameters']
assert kdfp['costParameter'] == 1048576
suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
import sys
result = unittest.TextTestRunner(verbosity=2).run(suite)
sys.exit(not result.wasSuccessful())
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